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