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