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