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