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