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