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