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