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