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