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