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