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