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