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