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