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