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