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