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