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