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