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