To use the generator, first create a new page in wp-admin.

Title should be "Sitemap."

In the body of the page add a "short code."

I use [wp_sitemap_page] but, you may want to experiment with other codes to see if you like a different format.

You can add additional items to the page such as an image, contact address etc.

Save and publish the page.

Make sure you add it to the websites navigation menu.

Here is my sitemap for one of my websites: http://buyingcigarsonline.com/sitemap

I hope this may help you.

Alex