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