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