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