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