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