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