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