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