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