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