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