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)(20,22)(21,24)(23,27)(26,32)(28,30)(29,31)(2,5)(6,7)(9,11,14,13)(10,15,16,12)(17,19)(18,23)(20,25)(21,26)(22,27)(24,31)(28,32)(29,30)(1,2)(3,6)(4,5)(7,8)(9,12)(10,13)(11,16)(14,15)(18,20)(23,25)(24,28)(31,32) involution — undirected(9,11,14,13)(10,15,16,12)(17,20,22,18)(19,25,27,23)(21,28,30,24)(26,32,29,31)(1,2)(3,7)(4,5)(6,8)(9,12)(10,11)(13,16)(14,15)(17,21,22,30)(18,24,20,28)(19,26,27,29)(23,31,25,32)(1,3)(2,6)(4,8)(5,7)(9,13,14,11)(10,15,16,12)(17,19)(18,23)(20,25)(21,29)(22,27)(24,32)(26,30)(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.