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