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