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