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