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