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)(23,30)(24,27)(25,29)(26,31)(28,34)(32,36)(33,35)(1,2)(3,4)(5,7,10,16)(6,11,12,14)(8,17,18,13)(9,20,19,15)(2,4)(6,12)(8,18)(11,14)(13,17)(21,23,25,32)(22,26,29,35)(24,33,34,31)(27,30,28,36)(5,8,19,6,10,18,9,12)(7,14,20,13,16,11,15,17)(22,27)(24,34)(26,30)(28,29)(31,33)(35,36)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.