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