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