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