One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,13)(4,9)(5,10)(6,21)(7,11)(8,15)(12,23)(14,30)(16,26)(17,25)(18,32)(19,29)(20,27)(22,28)(24,31)(33,34,39,43)(35,40,46,55)(36,48,50,56)(37,42,38,51)(41,52,57,49)(44,58,60,63)(45,54,47,61)(53,62,64,59)(1,3,7,4)(2,8,11,25)(5,18,20,31)(6,17,23,15)(9,21,13,12)(10,26,27,30)(14,22,16,19)(24,29,32,28)(33,35,39,46)(34,40,43,55)(36,44,50,60)(37,45,38,47)(41,53,57,64)(42,54,51,61)(48,58,56,63)(49,59,52,62)(1,4,7,3)(2,9,11,13)(5,16,20,14)(6,17,23,15)(8,21,25,12)(10,26,27,30)(18,19,31,22)(24,28,32,29)(33,36)(34,41)(35,44)(37,49)(38,52)(39,50)(40,53)(42,56)(43,57)(45,59)(46,60)(47,62)(48,51)(54,63)(55,64)(58,61)(1,5,7,20)(2,10,11,27)(3,14,4,16)(6,22,23,19)(8,24,25,32)(9,26,13,30)(12,29,21,28)(15,31,17,18)(33,37,39,38)(34,42,43,51)(35,45,46,47)(36,49,50,52)(40,54,55,61)(41,56,57,48)(44,59,60,62)(53,63,64,58)(2,11)(3,4)(10,27)(12,21)(14,16)(15,17)(18,31)(28,29)(34,43)(35,46)(41,57)(42,51)(44,60)(45,47)(48,56)(59,62) 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.