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