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