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