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