.listStyle(.sidebar)

SidebarListStyle.swift

import SwiftUI

struct ContentView: View {
    var body: some View {
        NavigationView {
            List {
                Label("Airplane Mode", systemImage: "airplane")
                    .accentColor(.orange)
                Label("Wi-Fi", systemImage: "wifi")
                Label("Cellular", systemImage: "antenna.radiowaves.left.and.right")
                    .accentColor(.green)
                Label("Notifications", systemImage: "app.badge.fill")
                    .accentColor(.red)
                Label("Sounds", systemImage: "speaker.wave.2.fill")
                    .accentColor(.pink)
                Label("Focus", systemImage: "moon.fill")
                    .accentColor(.purple)
            }
            .navigationTitle("Settings")
            .listStyle(.sidebar)
        }
    }
}