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