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