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