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