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