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