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