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