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