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