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