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