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