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