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