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