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