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