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