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