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