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)(19,25)(20,22)(21,24)(23,27)(26,32)(28,30)(29,31)(33,34,37,38)(35,39,41,46)(36,43,45,40)(42,48,44,47)(9,10,13,12)(11,14,15,16)(18,20)(23,25)(24,28)(31,32)(34,38)(35,41)(40,43)(42,44)(9,11,13,15)(10,14,12,16)(17,19,22,27)(18,23,20,25)(21,29,30,26)(24,32,28,31)(33,35)(34,39)(36,44)(37,41)(38,46)(40,48)(42,45)(43,47)(1,2)(3,6)(4,5)(7,8)(17,20,22,18)(19,25,27,23)(21,28,30,24)(26,32,29,31)(33,34)(35,39)(36,40)(37,38)(41,46)(42,47)(43,45)(44,48)(1,3,4,7)(2,6,5,8)(9,12,13,10)(11,16,15,14)(17,21,22,30)(18,24,20,28)(19,26,27,29)(23,31,25,32)(33,36)(34,40)(35,42)(37,45)(38,43)(39,47)(41,44)(46,48)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.