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