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