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