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