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