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