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