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