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