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