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