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