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