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