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