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