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