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