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