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