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