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