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