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