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