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)(7,12,20,27,19,28,25,13)(8,21,24,31,22,30,23,14)(18,29,33,26,32,36,35,34)(5,7,10,20,9,19,11,25)(6,12,15,27,17,28,16,13)(8,18,23,33,22,32,24,35)(14,26,30,36,31,34,21,29)(5,7,9,19)(6,13)(8,18,22,32)(10,20,11,25)(12,15)(14,29)(16,28)(17,27)(21,34)(23,33,24,35)(26,30)(31,36)(2,4)(5,8,11,24,9,22,10,23)(6,14,15,30,17,31,16,21)(7,18,25,35,19,32,20,33)(12,26,27,36,28,34,13,29)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.