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