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