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