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