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