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