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