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