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