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