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