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