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