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)(21,22,26,29)(23,31,32,36)(24,30,25,28)(27,33,35,34)(5,7)(6,10)(8,14)(9,13)(11,18)(12,17)(15,20)(16,19)(21,23,26,32)(22,27,29,35)(24,34,25,33)(28,31,30,36)(1,2,3,4)(7,13)(10,17)(14,19)(18,20)(23,32)(27,35)(31,36)(33,34)(7,13)(10,17)(14,19)(18,20)(21,24,26,25)(22,28,29,30)(23,33,32,34)(27,36,35,31)(5,8,9,16)(6,11,12,15)(7,14,13,19)(10,18,17,20)(22,29)(27,35)(28,30)(31,36)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.