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