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