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