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)(13,14,18,16)(15,19,17,20)(21,22,26,27)(23,24,30,28)(25,33,35,29)(31,34,36,32)(5,7,9,12)(6,8,10,11)(13,15,18,17)(14,19,16,20)(22,27)(23,30)(29,33)(31,36)(5,6,9,10)(7,11,12,8)(13,16,18,14)(15,19,17,20)(21,23,26,30)(22,28,27,24)(25,31,35,36)(29,34,33,32)(1,2)(3,4)(5,6)(7,11)(8,12)(9,10)(13,17,18,15)(14,19,16,20)(21,24,26,28)(22,23,27,30)(25,34,35,32)(29,36,33,31)(5,8,9,11)(6,7,10,12)(21,25,26,35)(22,29,27,33)(23,31,30,36)(24,32,28,34)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.