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