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