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