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