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