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