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