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