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