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