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