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