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