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