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