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