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