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