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