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