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