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