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