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