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