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