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