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