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