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