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