One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,11,14,7)(4,15,18,8)(5,10)(6,9)(12,22)(13,27,19,23)(16,24)(17,28,20,25)(21,26)(29,30)(31,32)(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)(2,7)(4,16)(5,19)(6,14)(8,24)(9,11)(10,27)(12,17)(13,21)(15,32)(18,31)(20,30)(22,25)(23,26)(28,29)(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)(2,8)(3,12)(5,20)(6,18)(7,22)(9,15)(10,28)(11,29)(13,31)(14,30)(16,19)(17,21)(23,32)(24,27)(25,26)(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.