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