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