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