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