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