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