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