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)(17,18,24,28)(19,29,31,25)(20,23,21,26)(22,27,30,32)(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)(18,25)(20,27)(21,32)(22,23)(24,31)(26,30)(28,29) involution — undirected(3,9)(7,11)(10,13)(15,16)(17,20,24,21)(18,26,28,23)(19,27,31,32)(22,25,30,29)(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)(17,21,24,20)(18,23,28,26)(19,27,31,32)(22,25,30,29)(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)(17,22,24,30)(18,27,28,32)(19,23,31,26)(20,29,21,25)(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)(17,23)(18,20)(19,30)(21,28)(22,31)(24,26)(25,32)(27,29)(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.