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