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