Its a great plugin and i believe the developer is a member here. To use it simply create a new page and use the plugin’s shortcode [catlist id=1]
change 1 with the actual category id.
to read more about its features and ways you can use it :
http://foro.picandocodigo.net/discussion/251/list-category-posts-documentation/
and to use the plugins advanced Template system:
http://foro.picandocodigo.net/discussion/253/list-category-posts-using-templates/