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