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