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