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