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