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