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