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