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