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