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