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