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