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