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