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