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