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