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