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