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