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