One vertex per element, one color per generator, with an edge from x to x·s.
(1,2) involution — undirected(3,4,7,12)(5,14,17,27)(6,18,21,11)(8,13,22,10)(9,19,25,15)(16,29,32,30)(20,26,34,28)(23,31,24,33)(3,5,7,17)(4,9,12,25)(6,19,21,15)(8,16,22,32)(10,23,13,24)(11,27,18,14)(20,33,34,31)(26,29,28,30)(6,20)(11,28)(14,29)(15,31)(18,26)(19,33)(21,34)(27,30) involution — undirected(4,10)(9,23)(11,26)(12,13)(14,30)(18,28)(24,25)(27,29) 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.