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