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