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