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