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