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)(19,23)(20,27)(21,26)(22,32)(24,29)(25,31)(28,30)(33,34,38,41)(35,36,43,39)(37,40,45,47)(42,44,48,46)(1,3)(2,6)(4,11)(5,12)(7,9)(8,13)(10,15)(14,16)(17,19)(18,25)(20,30)(21,22)(23,29)(24,31)(26,28)(27,32)(33,35,38,43)(34,39,41,36)(37,42,45,48)(40,46,47,44)(3,9)(6,15)(11,13)(12,16)(17,20,24,21)(18,26,29,27)(19,30,31,22)(23,32,25,28)(33,35)(34,36)(37,42)(38,43)(39,41)(40,44)(45,48)(46,47)(1,4)(2,5)(3,11)(6,12)(7,8)(9,13)(10,14)(15,16)(17,21,24,20)(18,27,29,26)(19,30,31,22)(23,32,25,28)(33,36)(34,35)(37,44)(38,39)(40,42)(41,43)(45,46)(47,48)(1,5)(2,8)(3,12)(4,10)(6,13)(7,14)(9,16)(11,15)(17,22,24,30)(18,28,29,32)(19,21,31,20)(23,27,25,26)(33,37,38,45)(34,40,41,47)(35,42,43,48)(36,44,39,46)(1,6,7,15)(2,9,10,3)(4,12,8,16)(5,13,14,11)(17,23,24,25)(18,19,29,31)(20,28,21,32)(22,27,30,26)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.