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