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