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