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