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