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