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