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