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