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