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