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