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