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)(12,16)(13,14)(17,18,23,27)(19,24,28,21)(20,31,34,25)(22,26,38,42)(29,35,40,32)(30,39,37,36)(33,44,47,41)(43,48,46,45)(1,3,4,7)(2,5,6,8)(9,10,13,14)(11,15,16,12)(19,28)(21,24)(29,40)(30,37)(32,35)(36,39)(43,46)(45,48)(1,2)(3,5)(4,6)(7,8)(9,11)(10,12)(13,16)(14,15)(17,19)(18,24)(20,29)(21,27)(22,37)(23,28)(25,32)(26,36)(30,38)(31,35)(33,46)(34,40)(39,42)(41,48)(43,47)(44,45) involution — undirected(9,12)(10,11)(13,15)(14,16)(17,20,23,34)(18,25,27,31)(19,29,28,40)(21,35,24,32)(22,33,38,47)(26,41,42,44)(30,43,37,46)(36,48,39,45)(1,3)(2,5)(4,7)(6,8)(9,10)(11,12)(13,14)(15,16)(17,21,23,24)(18,19,27,28)(20,32,34,35)(22,36,38,39)(25,40,31,29)(26,30,42,37)(33,45,47,48)(41,46,44,43)(1,2)(3,5)(4,6)(7,8)(9,12)(10,11)(13,15)(14,16)(17,22)(18,26)(19,30)(20,33)(21,36)(23,38)(24,39)(25,41)(27,42)(28,37)(29,43)(31,44)(32,45)(34,47)(35,48)(40,46) 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.