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