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