One vertex per element, one color per generator, with an edge from x to x·s.
(1,2) involution — undirected(3,4,5,6)(7,8,11,12)(9,10,14,13)(16,20)(21,23)(22,27)(28,29)(8,12)(10,13)(16,20)(18,26)(21,23)(24,30) involution — undirected(3,4)(5,6)(8,12)(9,14)(15,16,19,20)(17,23,25,21)(18,22,26,27)(24,29,30,28)(7,9,11,14)(8,13,12,10)(15,17,19,25)(16,21,20,23)(18,24,26,30)(22,28,27,29)(7,10,11,13)(8,14,12,9)(15,18)(16,22)(17,24)(19,26)(20,27)(21,28)(23,29)(25,30)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.