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