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