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