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