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