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