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