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