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