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