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