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)(19,26)(20,23)(21,24)(22,28)(25,30)(27,31)(29,32)(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)(17,19,23,21)(18,24,20,26)(22,27,30,29)(25,31,28,32)(33,35,40,42)(34,38,43,48)(36,44,47,39)(37,41,46,45)(3,9)(7,11)(10,13)(15,16)(17,18,23,20)(19,26,21,24)(22,25,30,28)(27,32,29,31)(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)(17,20,23,18)(19,26,21,24)(22,28,30,25)(27,32,29,31)(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)(17,21,23,19)(18,24,20,26)(22,29,30,27)(25,31,28,32)(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)(17,22,23,30)(18,25,20,28)(19,27,21,29)(24,31,26,32)(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.