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