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