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