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