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