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