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