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