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