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