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(7,8,11,14)(9,15,17,13)(10,12,18,20)(16,21,22,19)(8,12)(9,16)(14,20)(17,22) involution — undirected(7,9,11,17)(8,13,14,15)(10,16,18,22)(12,19,20,21)(8,12)(13,19)(14,20)(15,21) 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.