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