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