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