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