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