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