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