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