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