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