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