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