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)(17,18,21,26,22,25,20,24)(19,23,27,30,28,31,29,32)(1,2,4,6,5,8,12,14)(3,7,10,13,11,16,9,15)(17,19,21,29,22,28,20,27)(18,23,24,30,25,31,26,32)(1,3)(2,7)(4,10)(5,11)(6,13)(8,16)(9,12)(14,15)(17,20,22,21)(18,24,25,26)(19,27,28,29)(23,30,31,32)(18,25)(23,31)(24,26)(30,32) 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.