The access points that have been deployed are shown by clicking the Floorplan List in the top right corner of DEVICE | Access Points > Floor Plan View in the information bar. You can close it by clicking on the X in the corner.
Several ways you can add access points to a floor plan
Drag-and-drop existing access points to various floor plans.
Click +Add New in the center of the Floor Plan View.
Click +Create Floorplan in the Information bar at the top of the page.
In Floorplan List click the "+" icon on the Floorplans dialog..
You can alos delete access points from the floor plan.
Access points that have already been added to a floor plan appear as devices in the Floorplan List.