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