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