One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(5,6,10,14)(7,15,18,19)(8,13,9,12)(11,17,20,16)(22,27)(23,30)(24,25)(29,34)(31,35)(32,33)(2,4)(5,7,10,18)(6,11,14,20)(8,17,9,16)(12,19,13,15)(21,22,26,29)(23,31,33,35)(24,34,25,27)(28,30,36,32)(7,16)(8,9)(11,15)(12,13)(17,18)(19,20)(21,23,26,33)(22,28,29,36)(24,30,25,32)(27,35,34,31)(22,29)(27,34)(28,36)(31,35) involution — undirectedA 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.