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