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