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