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