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