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