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