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