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