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