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