It's not a single click job. The result resembles something which can be made in general purpose graphic programs with a little more than doing something most trivial. In Powerpoint that's reflected as numerous formatting selections. In this case you must make the right Bevel selections. The rectangular shapes have also shadows. And, of course, every item must be inserted.
The underlying sector extension can be made by stretching a copy of the chart (no effets, washed colors) to a big size. I guess the extension is a manual drawing, because there's a rectangle insertion to the magenta sector. Actually a half of the extensions only must be exact drawings with black stroke edges.The rest are hidden below.
Bevel effects for extruded 3D appearance of shapes and chart parts have been available at least twelve years.
Not asked: That slide is a mess. Consider to make a simple main structure overview and present the sector details separately. Of course it's different, if you can highlight and zoom out selected details at a time, but then it's not any more the shown image as is.