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