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