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