Genesis page template to show a list of terms from a taxonomy. Add a custom field in the page editor. query_args, value is the name of your taxonomy. (updated 4/5/2016 to allow for error due to invalid taxonomy name)

page_tax.php

<?php
/**
 * Template Name: Taxonomy Listing
 * This file lists taxonomies on a page. Based on http://codex.wordpress.org/Function_Reference/get_term_link
 *
 * @author Robin Cornett
 * @link http://robincornett.com/taxonomy-list/
 */
add_action( 'genesis_entry_content', 'robin_do_taxonomy_loop' ); // Add custom loop
function robin_do_taxonomy_loop() {
	$tax = 'category';
	if ( genesis_get_custom_field( 'taxonomy' ) ) {
		$tax = genesis_get_custom_field( 'taxonomy' ); // custom field taxonomy => name
	}
	$args  = genesis_get_custom_field( 'query_args' ); // custom field query_args => orderby=name&order=ASC (example)
	$terms = get_terms( $tax, $args );
	$class = 'two-columns';
	if ( '3' === genesis_get_custom_field( 'columns' ) ) {
		$class = 'three-columns';
	}
	if ( ! is_wp_error( $terms ) ) {
		echo '<ul class="' . $class . '">';
		foreach ( $terms as $term ) {
			echo '<li><a href="' . get_term_link( $term ) .'">' . $term->name . '</a></li>';
		}
		echo '</ul>';
	}
	else {
		echo 'No taxonomy custom field was created.';
	}
}

genesis();