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