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