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