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