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