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