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