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