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