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