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