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