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