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