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