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