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