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