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)(15,16)(17,24)(18,23)(19,21)(20,25)(22,27)(26,29)(28,30) involution — undirected(3,4)(5,6)(7,9)(8,12)(10,13)(11,14)(15,17,18,25)(16,20,23,24)(19,26,27,30)(21,28,22,29)(4,6)(7,10,11,12)(8,9,13,14)(16,21)(19,27)(20,28)(22,23)(24,29)(26,30)(8,13)(9,14)(16,22)(19,27)(20,29)(21,23)(24,28)(26,30) 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.