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