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