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