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