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