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