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