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