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