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