One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,7,8,6)(9,10)(11,15)(12,14)(13,16)(25,26,29,31)(27,32,30,28)(2,5)(6,7)(9,10,14,12)(11,16,13,15)(18,21)(22,24)(27,30)(28,32)(2,5)(6,7)(9,11,14,13)(10,15,12,16)(17,18)(19,22)(20,21)(23,24)(25,27,29,30)(26,28,31,32)(1,2)(3,6)(4,5)(7,8)(9,12,14,10)(11,15,13,16)(17,19,20,23)(18,22,21,24)(25,28)(26,30)(27,31)(29,32)(1,3,4,8)(2,6,5,7)(9,13,14,11)(10,15,12,16)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.