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