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)(17,18,22,30,20,24,21,25)(19,26,31,32,28,23,29,27)(1,2)(3,4)(9,11,14,12)(10,15,13,16)(17,19,22,31,20,28,21,29)(18,23,30,27,24,26,25,32)(2,4)(9,12,14,11)(10,15,13,16)(17,18,20,24)(19,27,28,32)(21,30,22,25)(23,29,26,31)(6,8)(9,13,14,10)(11,16,12,15)(18,24)(23,26)(25,30)(27,32)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.