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