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