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