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