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