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