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