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