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