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