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