One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,7)(6,8)(10,15)(11,16)(12,13)(17,18,22,26)(19,27,29,32)(20,25,21,24)(23,30,31,28)(9,10,14,11)(12,16,13,15)(17,19)(18,23)(20,28)(21,30)(22,29)(24,27)(25,32)(26,31)(1,2,4,6)(3,8,7,5)(9,11,14,10)(12,16,13,15)(20,21)(24,25)(27,32)(28,30)(10,11)(15,16)(17,20,22,21)(18,24,26,25)(19,28,29,30)(23,27,31,32)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.