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