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