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