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