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