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