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