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