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