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