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