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