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