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