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