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